Ejemplo n.º 1
0
    def AddCommandLineOptions(self, parserObj):
        ''' adds command line options to the argparser '''

        # PlatformSettings could also be a subclass of UefiBuilder, who knows!
        if isinstance(self.PlatformSettings, UefiBuilder):
            self.PlatformBuilder = self.PlatformSettings
        else:
            try:
                # if it's not, we will try to find it in the module that was originally provided.
                self.PlatformBuilder = locate_class_in_module(self.PlatformModule, UefiBuilder)()
            except (TypeError):
                raise RuntimeError(f"UefiBuild not found in module:\n{dir(self.PlatformModule)}")

        self.PlatformBuilder.AddPlatformCommandLineOptions(parserObj)
    def ParseCommandLineOptions(self):
        '''
        Parses command line options.
        Sets up argparser specifically to get PlatformSettingsManager instance.
        Then sets up second argparser and passes it to child class and to PlatformSettingsManager.
        Finally, parses all known args and then reads the unknown args in to build vars.
        '''
        # first argparser will only get settings manager and help will be disabled
        settingsParserObj = argparse.ArgumentParser(add_help=False)
        # instantiate the second argparser that will get passed around

        epilog = '''
<key>=<value>               - Set an env variable for the pre/post build process
BLD_*_<key>=<value>         - Set a build flag for all build types.
Key=value will get passed to build process
BLD_<TARGET>_<key>=<value>  - Set a build flag for build type of <target>
Key=value will get passed to build process for given build type)'''

        parserObj = argparse.ArgumentParser(epilog=epilog)

        settingsParserObj.add_argument(
            '-c',
            '--platform_module',
            dest='platform_module',
            default="PlatformBuild.py",
            type=str,
            help=
            'Provide the Platform Module relative to the current working directory.'
            f'This should contain a {self.GetSettingsClass().__name__} instance.'
        )

        # get the settings manager from the provided file and load an instance
        settingsArg, unknown_args = settingsParserObj.parse_known_args()
        try:
            self.PlatformModule = import_module_by_file_name(
                os.path.abspath(settingsArg.platform_module))
            self.PlatformSettings = locate_class_in_module(
                self.PlatformModule, self.GetSettingsClass())()
        except (TypeError, FileNotFoundError) as e:
            # Gracefully exit if setup doesn't go well.
            try:
                # If this works, we can provide help for whatever special functions
                # the subclass is offering.
                self.AddCommandLineOptions(settingsParserObj)
            except:
                # If it didn't work, oh well.
                pass
            print(e)
            settingsParserObj.print_help()
            sys.exit(0)

        # now to get the big arg parser going...
        # first pass it to the subclass
        self.AddCommandLineOptions(parserObj)

        # next pass it to the settings manager
        self.PlatformSettings.AddCommandLineOptions(parserObj)

        default_build_config_path = os.path.join(self.GetWorkspaceRoot(),
                                                 "BuildConfig.conf")

        # add the common stuff that everyone will need
        parserObj.add_argument('--build-config',
                               dest='build_config',
                               default=default_build_config_path,
                               type=str,
                               help='Provide shell variables in a file')
        parserObj.add_argument('--verbose',
                               '--VERBOSE',
                               '-v',
                               dest="verbose",
                               action='store_true',
                               default=False,
                               help='verbose')

        # setup sys.argv and argparse round 2
        sys.argv = [sys.argv[0]] + unknown_args
        args, unknown_args = parserObj.parse_known_args()
        self.Verbose = args.verbose

        # give the parsed args to the subclass
        self.RetrieveCommandLineOptions(args)

        # give the parsed args to platform settings manager
        self.PlatformSettings.RetrieveCommandLineOptions(args)

        #
        # Look through unknown_args and BuildConfig for strings that are x=y,
        # set env.SetValue(x, y),
        # then remove this item from the list.
        #
        env = shell_environment.GetBuildVars()
        BuildConfig = os.path.abspath(args.build_config)

        if os.path.isfile(BuildConfig):
            with open(BuildConfig) as file:
                for line in file:
                    stripped_line = line.strip()
                    if not stripped_line.startswith("#"):
                        unknown_args.append(line)

        i = 0
        while i < len(unknown_args):
            unknown_arg = unknown_args[i]
            if (unknown_arg.count("=") == 1):
                tokens = unknown_arg.strip().split("=")
                env.SetValue(tokens[0].strip().upper(), tokens[1].strip(),
                             "From CmdLine")
                del unknown_args[i]
            else:
                i += 1

        if len(unknown_args) > 0:
            parserObj.print_help()
            raise RuntimeError(f"Unknown variables passed in: {unknown_args}")
    def ParseCommandLineOptions(self):
        '''
        Parses command line options.
        Sets up argparser specifically to get PlatformSettingsManager instance.
        Then sets up second argparser and passes it to child class and to PlatformSettingsManager.
        Finally, parses all known args and then reads the unknown args in to build vars.
        '''
        # first argparser will only get settings manager and help will be disabled
        settingsParserObj = argparse.ArgumentParser(add_help=False)
        # instantiate the second argparser that will get passed around

        epilog = '''
<key>=<value>               - Set an env variable for the pre/post build process
BLD_*_<key>=<value>         - Set a build flag for all build types.
Key=value will get passed to build process
BLD_<TARGET>_<key>=<value>  - Set a build flag for build type of <target>
Key=value will get passed to build process for given build type)'''

        parserObj = argparse.ArgumentParser(epilog=epilog)

        settingsParserObj.add_argument(
            '-c',
            '--platform_module',
            dest='platform_module',
            default="PlatformBuild.py",
            type=str,
            help=
            'Provide the Platform Module relative to the current working directory.'
            f'This should contain a {self.GetSettingsClass().__name__} instance.'
        )

        # get the settings manager from the provided file and load an instance
        settingsArg, unknown_args = settingsParserObj.parse_known_args()
        try:
            self.PlatformModule = import_module_by_file_name(
                os.path.abspath(settingsArg.platform_module))
            self.PlatformSettings = locate_class_in_module(
                self.PlatformModule, self.GetSettingsClass())()
        except (TypeError):
            # Gracefully exit if the file we loaded isn't the right type
            class_name = self.GetSettingsClass().__name__
            print(
                f"Unable to use {settingsArg.platform_module} as a {class_name}"
            )
            print("Did you mean to use a different kind of invocable?")
            try:
                # If this works, we can provide help for whatever special functions
                # the subclass is offering.
                self.AddCommandLineOptions(settingsParserObj)
                Module = self.PlatformModule
                module_contents = dir(Module)
                # Filter through the Module, we're only looking for classes.
                classList = [
                    getattr(Module, obj) for obj in module_contents
                    if inspect.isclass(getattr(Module, obj))
                ]
                # Get the name of all the classes
                classNameList = [obj.__name__ for obj in classList]
                # TODO improve filter to no longer catch imports as well as declared classes
                imported_classes = ", ".join(
                    classNameList)  # Join the classes together
                print(f"The module you imported contains {imported_classes}")
            except Exception:
                # Otherwise, oh well we'll just ignore this.
                raise
                pass
            settingsParserObj.print_help()
            sys.exit(1)

        except (FileNotFoundError):
            # Gracefully exit if we can't find the file
            print(f"We weren't able to find {settingsArg.platform_module}")
            settingsParserObj.print_help()
            sys.exit(2)

        except Exception as e:
            print(
                f"Error: We had trouble loading {settingsArg.platform_module}. Is the path correct?"
            )
            # Gracefully exit if setup doesn't go well.
            settingsParserObj.print_help()
            print(e)
            sys.exit(2)

        # now to get the big arg parser going...
        # first pass it to the subclass
        self.AddCommandLineOptions(parserObj)

        # next pass it to the settings manager
        self.PlatformSettings.AddCommandLineOptions(parserObj)

        default_build_config_path = os.path.join(self.GetWorkspaceRoot(),
                                                 "BuildConfig.conf")

        # add the common stuff that everyone will need
        parserObj.add_argument('--build-config',
                               dest='build_config',
                               default=default_build_config_path,
                               type=str,
                               help='Provide shell variables in a file')
        parserObj.add_argument('--verbose',
                               '--VERBOSE',
                               '-v',
                               dest="verbose",
                               action='store_true',
                               default=False,
                               help='verbose')

        # setup sys.argv and argparse round 2
        sys.argv = [sys.argv[0]] + unknown_args
        args, unknown_args = parserObj.parse_known_args()
        self.Verbose = args.verbose

        # give the parsed args to the subclass
        self.RetrieveCommandLineOptions(args)

        # give the parsed args to platform settings manager
        self.PlatformSettings.RetrieveCommandLineOptions(args)

        #
        # Look through unknown_args and BuildConfig for strings that are x=y,
        # set env.SetValue(x, y),
        # then remove this item from the list.
        #
        env = shell_environment.GetBuildVars()
        BuildConfig = os.path.abspath(args.build_config)

        for argument in unknown_args:
            if argument.count("=") != 1:
                raise RuntimeError(
                    f"Unknown variable passed in via CLI: {argument}")
            tokens = argument.strip().split("=")
            env.SetValue(tokens[0].strip().upper(), tokens[1].strip(),
                         "From CmdLine")

        unknown_args.clear()  # remove the arguments we've already consumed

        if os.path.isfile(BuildConfig):
            with open(BuildConfig) as file:
                for line in file:
                    stripped_line = line.strip().partition("#")[0]
                    if len(stripped_line) == 0:
                        continue
                    unknown_args.append(stripped_line)

        for argument in unknown_args:
            if argument.count("=") != 1:
                raise RuntimeError(
                    f"Unknown variable passed in via BuildConfig: {argument}")
            tokens = argument.strip().split("=")
            env.SetValue(tokens[0].strip().upper(), tokens[1].strip(),
                         "From BuildConf")
Ejemplo n.º 4
0
    def test_locate_class_in_module(self):
        module = sys.modules[__name__]

        found_class = utilities.locate_class_in_module(module, DesiredClass)
        self.assertIsNotNone(found_class)
        self.assertEqual(found_class, GrandChildOfDesiredClass)